sometimes the thermostat is not kicking it on,it is a honeywell programmable
one.do these go bad?my rheem heater works fine when its on but the
thermostat seems to not call for heat sometimes and i have to turn it on and
off and adjust the temp to make it come on.it is an 80 criterion series
horizontal attic setup 75k btu.filters clean and when it does come on it
sequences just as book says it should.is one of the limits dirty ?i can
provide model no in a while-unit is 7 years old .thank you
First off, change the batterys in the stat.
Whan was the last time the system was serviced by a *competent*, licensed,
insured, professionally trained, HVAC technician??
BTW... that furnace is a 75k BTU furnace with a 3 ton blower drive and was
manufactured week 32 in 1996, so its a little older than 7 years.
If changing the batterys in the stat doesn't take care of the problem, then
its time to call a pro. Modern gas furnaces are not something that the home
owner needs to be messing with unless they are a bonified HVAC technician.
This isn't your Daddy's furnace no more
If it still under waranrt call Rheem what is happening and they will come
out and they will fix it. Is it a rheem or a HD knock off. Any way if it
is under warranty call the manufacturer and most if not all of your cost
i opened up the junction box and found a possible loose connection that
possibly could have caused this due to warm days cold nights and hopefully
this is it.batteries in stat are new ,filters clean- like i said once it
does come on it goes through the whole cycle according to manufacturers
book, its also b vent to outside and this is shared with basement unit so i
dont think that theres an obstruction there.and 2 green leds are on the
board.i thank anyone for their knowledgde and input
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